Short easy simple riddles for teens

I come in many colors and I'm often in a wrap. I am a dentist's trap. Children love to eat me, but they shouldn't have too many. What am I?

I am a large cat, but I don't meow. I have a loud roar that can be heard from miles away. Who am I?

I am known as a king, and the jungle's where I reign. It is hard to tame me, and I have a large mane. Who am I?

I am sweet and tasty, sometimes hard or chewy. I wear a bright paper coat that is noisy and crinkly. Who am I?

Before Mt. Everest was discovered, what was the highest mountain in the world?

When it comes to me, you go on red and stops on green. What am I?

What has a tongue, cannot walk, but gets around a lot?

The more you take, the more you leave behind. What am I?

What has only two words, but thousands of letters?

The more you take away, the bigger I become. What am I?